import os def get_created_files(id): if id[0] == "-": id = "_" + id[1:] # youtube-dl changes - to _ at the start, presumably to not accidentally trigger switches with * in shell return (f for f in os.listdir() if f.startswith("{}_".format(id))) def clean_up_temp_files(id): created_files = get_created_files(id) for file in created_files: os.unlink(file)